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  3. COLE PARMER 32708-00

COLE-PARMER 32708-00 Air Flow Meter Controller 0-50 Cc/min 150

32708-00 Cole-parmer Air Mass Flow Controller 0-50 Cc/min 150 Psig

( Brand: Cole-parmer ), ( Manufacturer Part Number: 32708-00 ), ( Part Type: Flow Meter Controller Min ), ( Unit Type: Unit ), ( Maximum Flow Rate: 50 Cc/min ), ( Gas Media: Air ), ( Country Of Origin: United States )

Review COLE PARMER Air Mass Flow Controller 0-50 Cc/min 150 Psig

The **Cole-Parmer 32708-00 Air Flow Controller** is a precision-engineered, mass-flow-controlled device designed for applications requiring accurate and reliable regulation of air or gas flow rates within a narrow, repeatable range. Part of Cole-Parmer s robust line of laboratory and industrial instrumentation, this controller is specifically engineered to deliver consistent airflow between **0 and 50 cubic centimeters per minute (cc/min)** with a maximum working pressure of **150 psi**, making it ideal for sensitive processes where precision is critical. Built with a **thermal mass flow sensor**, this device measures and controls flow by monitoring the thermal properties of the passing gas, ensuring high accuracy and minimal drift over time. The compact yet durable design incorporates a **digital display** for real-time monitoring of flow rates, along with **adjustable setpoints** that allow users to fine-tune output to exact specifications. Constructed from high-quality materials, including corrosion-resistant components and a sturdy housing, the controller is designed for both laboratory and controlled industrial environments, offering durability in applications such as gas chromatography, environmental testing, or small-scale aeration systems. Its **low-power operation** and **user-friendly interface** make it accessible for technicians and researchers alike, while its **calibrated performance** ensures consistent results across experiments or production runs. Whether integrated into a custom gas delivery system or used as a standalone unit, the Cole-Parmer 32708-00 provides a dependable solution for applications where precise airflow control is essential.

### **Cole-Parmer 32708-00 Air Flow Controller (0 50 cc/min, 150 PSI) Pros and Cons**

#### **Pros:**

1. **Precision Control** The device offers fine-tuned airflow regulation within a low-range (0 50 cc/min), making it suitable for applications requiring minimal but consistent gas or air delivery, such as laboratory experiments, small-scale industrial processes, or calibration tasks.

2. **Compact and Portable** Its design is relatively small and lightweight, allowing for easy integration into benchtop setups or portable systems where space is limited.

3. **Compatibility** It is compatible with standard laboratory tubing (typically 1/16" or 1/8" OD) and can be paired with Cole-Parmer s other accessories (e.g., valves, regulators) for expanded functionality.

4. **Digital Display** The unit features a clear digital readout, enabling accurate monitoring of flow rates without the need for external meters.

5. **Safety Features** The 150 PSI rating suggests it is built to handle moderate pressure, reducing the risk of leaks or failures in controlled environments. Some models may include over-pressure protection.

6. **Easy Calibration** Cole-Parmer controllers are generally designed for straightforward calibration, which can be advantageous for users who need to adjust settings frequently.

7. **Brand Reliability** Cole-Parmer is a well-established brand in laboratory and industrial instrumentation, offering reliable customer support and replacement parts.

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#### **Cons:**

1. **Limited Flow Range** The 0 50 cc/min range is extremely narrow, which may be insufficient for applications requiring higher flow rates. Users needing larger volumes would need additional equipment or a different controller.

2. **Potential for Drift** Low-flow controllers can sometimes experience drift over time, requiring frequent recalibration, especially in environments with temperature or pressure fluctuations.

3. **Cost** While not excessively expensive, the price may be prohibitive for budget-conscious users or those who only occasionally require precise low-flow control.

4. **Maintenance Requirements** Like all flow controllers, this unit may require periodic maintenance (e.g., cleaning internal components, replacing seals) to ensure accuracy and longevity.

5. **Limited Durability for Harsh Conditions** While rated for 150 PSI, prolonged exposure to extreme conditions (e.g., high humidity, corrosive gases) could affect performance or lifespan.

6. **No Built-in Alarm System** Unlike some higher-end models, this controller may lack automatic shutoff or alarm features for flow rate deviations, which could be a drawback in critical applications.

7. **Compatibility with Specific Gases** The unit may not be suitable for all gases (e.g., corrosive or reactive gases like chlorine or ammonia), requiring additional filtration or material upgrades.

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### **Conclusion**

The **Cole-Parmer 32708-00** is an excellent choice for applications demanding **precise, low-volume airflow control** in laboratory or controlled industrial settings. Its strengths lie in its **accuracy, compactness, and ease of use**, making it ideal for tasks such as **gas delivery in chromatography, small-scale chemical reactions, or calibration of sensors**. However, its **narrow flow range and potential maintenance needs** may limit its suitability for high-volume or harsh-environment applications.

If your primary need is **minimal, consistent airflow ( 50 cc/min)** and you prioritize **reliability and ease of integration**, this controller is a solid investment. For applications requiring **higher flow rates, automated safety features, or durability in extreme conditions**, you may need to consider alternative models or supplementary equipment.

### **Recommendation:**

- **Buy if:** You need a **low-flow, precise air/gas controller** for laboratory or precision industrial use and can accept its limitations in terms of flow range and maintenance.

- **Avoid if:** You require **higher flow rates (>50 cc/min), automated safety features, or operation in harsh environments** without additional modifications.

- **Alternatives to Consider:**

- For **higher flow rates**, look at **mass flow controllers (MFCs)** with broader ranges (e.g., 0 500 cc/min).

- For **industrial durability**, consider models with **stainless steel construction** or **built-in alarms**.

- For **automation**, pair this controller with a **PLC or data logger** for remote monitoring.

Ultimately, this unit is best suited for **specialized, low-volume applications** where accuracy is critical and cost is a secondary concern.

Details:

Brand: Cole-Parmer. Flow Range: 50 cc/min. Test results are described to the best of our ability in listing. Shows minor cosmetic wear from normal use see photos.

Calibration seal is intact. It features a compact design with integrated push-to-connect fittings for easy installation. Maximum Pressure: 150 psig. Condition: Used.

What you see in the pictures is what get, nothing more less. Country of Manufacture: USA. Cole-Parmer 32708-00 Air Mass Flow Controller 0-50 cc/min 150 psig: This model 32708-00 is designed for precise air flow management in laboratory and industrial settings.

part #: 3270800 price

  • $85.00

specifications pneumativalv:

  • brand: Cole-parmer
  • mpn: 32708-00
  • part type: Flow Meter Controller Min
  • unit type: Unit
  • maximum flow rate: 50 Cc/min
  • gas media: Air
  • country of origin: United States

general pneumativalv:

  • condition: Used
  • Pump Flow Controllers > Flow Controllers Meters > Mass Flow Controllers

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  • # reviews: 24

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  • transit: 4-10 Days
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  • cost: $20.52
  • service: FedEx Ground / FedEx Home Delivery

offer pneumativalv:

  • best offers: True
  • quantity: 1
  • started: April 11, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
part type: flow meter controller min, unit type: unit, maximum flow rate: 50 cc/min, gas media: air, country of origin: united states,
category: business & industrial > pump flow controllers > flow controllers meters > mass flow controllers, sku: 12116113763402602,
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  • Used. Offer #1 priced at $85.00 + $21.00 shipping estimate = $106.00* total. Condition: Used. It features a compact design with integrated push-to-connect fittings for easy installation.+$21.00 shipping

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